1 files changed, 42 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/android/layers/IFrameContentLayerAndroid.cpp b/Source/WebCore/platform/graphics/android/layers/IFrameContentLayerAndroid.cpp
new file mode 100644
index 0000000..dadb13d
--- /dev/null
+++ b/Source/WebCore/platform/graphics/android/layers/IFrameContentLayerAndroid.cpp
@@ -0,0 +1,42 @@
+#define LOG_TAG "IFrameContentLayerAndroid"
+#define LOG_NDEBUG 1
+
+#include "config.h"
+#include "IFrameContentLayerAndroid.h"
+
+#include "AndroidLog.h"
+
+#if USE(ACCELERATED_COMPOSITING)
+
+namespace WebCore {
+
+bool IFrameContentLayerAndroid::scrollTo(int x, int y)
+{
+    IntRect scrollBounds;
+    getScrollBounds(&scrollBounds);
+    if (!scrollBounds.width() && !scrollBounds.height())
+        return false;
+    SkScalar newX = SkScalarPin(x, scrollBounds.x(), scrollBounds.width());
+    SkScalar newY = SkScalarPin(y, scrollBounds.y(), scrollBounds.height());
+    // Check for no change.
+    if (newX == m_iframeScrollOffset.x() && newY == m_iframeScrollOffset.y())
+        return false;
+    newX = newX - m_iframeScrollOffset.x();
+    newY = newY - m_iframeScrollOffset.y();
+    setScrollOffset(IntPoint(newX, newY));
+    return true;
+}
+
+void IFrameContentLayerAndroid::getScrollRect(SkIRect* out) const
+{
+    const SkPoint& pos = getPosition();
+    out->fLeft = m_scrollLimits.fLeft - pos.fX + m_iframeScrollOffset.x();
+    out->fTop = m_scrollLimits.fTop - pos.fY + m_iframeScrollOffset.y();
+
+    out->fRight = getSize().width() - m_scrollLimits.width();
+    out->fBottom = getSize().height() - m_scrollLimits.height();
+}
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)